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style: allow re-initializing thread_state as long as it's with the same value.

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This unbusts running multiple rule-tree benchmarks at the same time.
This commit is contained in:
Emilio Cobos Álvarez 2017-10-08 12:54:29 +02:00
parent 8ea275a376
commit 851b3e32bd
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1 changed files with 3 additions and 1 deletions
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4
components/style/thread_state.rs
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@ -53,7 +53,9 @@ thread_local!(static STATE: RefCell<Option<ThreadState>> = RefCell::new(None));
pub fn initialize(x: ThreadState) { pub fn initialize(x: ThreadState) {
STATE.with(|ref k| { STATE.with(|ref k| {
if let Some(ref s) = *k.borrow() { if let Some(ref s) = *k.borrow() {
panic!("Thread state already initialized as {:?}", s); if x != *s {
panic!("Thread state already initialized as {:?}", s);
}
} }
*k.borrow_mut() = Some(x); *k.borrow_mut() = Some(x);
}); });